/* Text Adventures — Game UI Styles */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #0a0a0a;
    --surface: #111;
    --border: #222;
    --text: #d4d4d4;
    --text-dim: #666;
    --accent: #4ade80;
    --accent-dim: #166534;
    --command: #60a5fa;
    --error: #f87171;
    --font-mono: 'IBM Plex Mono', 'SF Mono', 'Cascadia Code', 'Fira Code', Consolas, monospace;
}

html, body {
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */

.app-layout {
    display: grid;
    grid-template-rows: auto 1fr;
    grid-template-columns: 1fr 320px;
    height: 100vh;
    gap: 0;
}

.app-header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}

.app-header h1 {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dim);
    letter-spacing: 0.05em;
}

.app-header .game-title {
    color: var(--accent);
    font-weight: 600;
}

.app-header nav a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 12px;
    margin-left: 16px;
    transition: color 0.2s;
}

.app-header nav a:hover {
    color: var(--text);
}

/* ── Game Terminal ── */

.game-terminal {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-right: 1px solid var(--border);
}

.game-output {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    scroll-behavior: smooth;
}

.game-output::-webkit-scrollbar {
    width: 6px;
}

.game-output::-webkit-scrollbar-track {
    background: transparent;
}

.game-output::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.game-line {
    white-space: pre-wrap;
    word-wrap: break-word;
    min-height: 1.5em;
}

.command-echo {
    color: var(--command);
    font-weight: 500;
}

.error-line {
    color: var(--error);
}

.status-line {
    color: var(--text-dim);
    font-style: italic;
}

/* ── Input area ── */

.game-input-area {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    border-top: 1px solid var(--border);
    background: var(--surface);
}

.input-prompt {
    color: var(--accent);
    margin-right: 8px;
    font-weight: 600;
    user-select: none;
}

.game-input-area input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 14px;
    caret-color: var(--accent);
}

.game-input-area input:disabled {
    opacity: 0.4;
}

/* ── Side Panel ── */

.side-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--surface);
}

/* ── AI Helper ── */

.ai-helper {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.panel-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    margin-bottom: 8px;
}

.ai-suggestion {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--accent-dim);
    border: 1px solid var(--accent);
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.ai-suggestion:hover {
    background: #15803d;
}

.ai-suggestion-label {
    font-size: 11px;
    color: var(--accent);
    white-space: nowrap;
}

.ai-suggestion-text {
    color: #fff;
    font-weight: 500;
    font-size: 13px;
}

/* ── Transcript ── */

.transcript-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.transcript-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px 0;
}

.copy-btn {
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 3px 8px;
    background: var(--border);
    border: 1px solid #333;
    border-radius: 3px;
    color: var(--text-dim);
    cursor: pointer;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: #333;
    color: var(--text);
}

.transcript-content {
    flex: 1;
    overflow-y: auto;
    padding: 8px 16px 16px;
    font-size: 12px;
    line-height: 1.6;
}

.transcript-content::-webkit-scrollbar {
    width: 4px;
}

.transcript-content::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

.transcript-entry {
    white-space: pre-wrap;
    word-wrap: break-word;
}

.transcript-command {
    color: var(--command);
    font-weight: 500;
    margin-top: 4px;
}

.transcript-output {
    color: var(--text-dim);
}

/* ── Co-op Panels ── */

.coop-panel {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 16px;
}

.coop-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 32px;
    max-width: 400px;
    width: 100%;
}

.coop-card h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 8px;
}

.coop-card p {
    font-size: 13px;
    color: var(--text-dim);
    margin-bottom: 16px;
}

.coop-form label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    margin-bottom: 4px;
}

.coop-form div {
    margin-bottom: 12px;
}

.coop-form input {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.coop-form input:focus {
    border-color: var(--accent);
}

.coop-btn {
    display: block;
    width: 100%;
    padding: 10px 16px;
    background: var(--accent-dim);
    border: 1px solid var(--accent);
    border-radius: 4px;
    color: #fff;
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.coop-btn:hover {
    background: #15803d;
}

.coop-btn-secondary {
    background: var(--border);
    border-color: #333;
}

.coop-btn-secondary:hover {
    background: #333;
}

.coop-error {
    color: var(--error);
    font-size: 12px;
    margin-top: 8px;
    min-height: 1.5em;
}

.coop-toggle {
    text-align: center;
    margin-top: 16px;
    font-size: 12px;
}

.coop-toggle a {
    color: var(--accent);
    text-decoration: none;
}

.coop-toggle a:hover {
    text-decoration: underline;
}

.coop-divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: var(--text-dim);
    font-size: 12px;
}

.coop-divider::before,
.coop-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.coop-divider span {
    padding: 0 12px;
}

.coop-waiting {
    text-align: center;
    padding: 16px 0;
}

.coop-code {
    font-size: 32px;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--accent);
    padding: 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    margin: 12px 0;
}

.coop-hint {
    font-size: 11px;
    color: var(--text-dim);
}

/* ── Player Bar ── */

.player-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 16px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.player-tag {
    font-size: 12px;
    color: var(--text-dim);
}

.player-tag strong {
    color: var(--text);
}

.player-1 strong { color: var(--accent); }
.player-2 strong { color: var(--command); }

.turn-indicator {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 3px 10px;
    border-radius: 3px;
}

.turn-indicator.my-turn {
    color: #000;
    background: var(--accent);
}

.turn-indicator.their-turn {
    color: var(--text-dim);
    background: var(--border);
}

/* ── Game Panel (coop layout) ── */

.game-panel-coop {
    display: contents;
}

.game-panel-coop .game-terminal {
    grid-column: 1;
}

.game-panel-coop .side-panel {
    grid-column: 2;
}

/* ── Header nav (coop additions) ── */

.app-header nav {
    display: flex;
    align-items: center;
    gap: 16px;
}

.app-header nav span {
    color: var(--text);
    font-size: 12px;
}

/* ── Responsive ── */

@media (max-width: 768px) {
    .app-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
    }

    .game-terminal {
        border-right: none;
    }

    .side-panel {
        border-top: 1px solid var(--border);
        max-height: 40vh;
    }
}